private void Check(byte[] data)
{
int index = 0;
var conv = ConverHelper.GetU32(data, index);
Tuple <Queue <KCPPackage>, KCP> item = null;
lock (SessionDic)
{
if (!SessionDic.TryGetValue(conv, out item))
{
item = new Tuple <Queue <KCPPackage>, KCP>(new Queue <KCPPackage>(), new KCP(conv));
//如果会话中不存在conv则认为这是新连接,创建KCP状态机
SessionDic.Add(conv, item);
new Thread(Update)
{
IsBackground = true
}.Start(item);
}
}
while (index < data.Length)
{
var tempItem = KCPPackage.Parse(data, index);
if (tempItem.Item2 == 0)
{
break;
}
index += tempItem.Item2;
item.Item1.Enqueue(tempItem.Item1);
}
}
public static Tuple <KCPPackage, int> Parse(byte[] data, int index)
{
if (data.Length - index < 24)
{
return(defaultval);
}
var pack = new KCPPackage();
pack.Conv = ConverHelper.GetU32(data, index);
pack.Cmd = ConverHelper.GetU8(data, index + 4);
pack.Frg = ConverHelper.GetU8(data, index + 5);
pack.Wnd = ConverHelper.GetU16(data, index + 6);
pack.Ts = ConverHelper.GetU16(data, index + 8);
pack.Sn = ConverHelper.GetU16(data, index + 12);
pack.Una = ConverHelper.GetU16(data, index + 16);
pack.Length = ConverHelper.GetU16(data, index + 20);
if ((data.Length - index - headlength) < pack.Length)
{
return(defaultval);
}
pack.Data = data.Skip(index + headlength).Take((int)pack.Length).ToArray();
return(new Tuple <KCPPackage, int>(pack, (int)pack.Length + headlength));
}